RabbitMQ is an implementation of AMQP, the emerging standard for high performance enterprise messaging.
Features
-A complete, conformant and interoperable implementation of the published AMQP specification
-Based on a proven platform, offering exceptionally high reliability, availability and scalability
-Good throughput and latency performance that is predictable and consistent
-Compact, easily maintainable code base, for rapid customisation and hot deployment
-Extensive facilities for management, monitoring, control and debugging
-Licensed under the open source Mozilla Public License